US Patent 11538063 Online fraud prevention and detection based on distributed system

Disclosed are an electronic device and a method for controlling same. A method for controlling an electronic device according to the present disclosure comprises: a step of obtaining a program which shares data about an advertisement with another electronic device so as to verify the shared data; a step of, when an event for the advertisement occurs, generating first data including information about the event for the advertisement; a step of transmitting the generated first data to the other electronic device; a step of receiving second data including information about an event from the advertisement generated from the other electronic device; and a step of verifying the second data using the program.